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1. 发明授权

US4785674A Torque sensor 失效
标题翻译：扭矩传感器
公开(公告)号：US4785674A
公开(公告)日：1988-11-22
申请号：US5037
申请日：1987-01-20
申请人： Gary M. Orman , Rodney E. Schwartz , Gary C. Jorgensen
发明人： Gary M. Orman , Rodney E. Schwartz , Gary C. Jorgensen
IPC分类号： A63B21/005 , A63B24/00 , G01L3/10 , G01L3/22 , A61B5/22
CPC分类号： A63B21/005 , G01L3/108 , A63B2220/17 , A63B2220/54 , Y10S482/901
摘要： An arrangement for sensing rotational torque in an exercise machine utilizes a torque measuring collar, which is generally tubular with a flange at each end. One flange is mounted to a stationary member, such as the frame of a machine. A shaft which is to rotate when the force is applied extends through the tubular collar to a gear box which itself is mounted only to the other flange of the torque collar and is therefore freely rotatable. The flange of the collar which is mounted to the gear box attempts to rotate in response to the torque (force) applied to the machine shaft by the user. This causes the collar to rotationally deform, i.e. twist, in the area between its two flanges. This torque proportional deformation effect occurs independent of the rotation position of the shaft as it rotates either direction through continuous circular motion. A suitable sensor, such as a strain gauge, measures the amount of twisting of the collar and converts it into an electrical signal which is proportional to the force applied by the user. This signal can be used, for example, to control the resistance that is to be overcome or worked against by the force applied to the rotational shaft.
摘要翻译：用于感测运动机械中的旋转扭矩的装置利用扭矩测量套环，扭矩测量套管通常在每端具有法兰管状。一个凸缘安装到诸如机器的框架的固定构件上。当施加力时要旋转的轴通过管状套环延伸到齿轮箱，齿轮箱本身仅安装在扭矩套环的另一个凸缘上，因此可以自由旋转。安装到齿轮箱的轴环的凸缘试图响应于用户施加到机器轴的扭矩（力）而旋转。这使得套环在其两个凸缘之间的区域中旋转地变形，即扭转。这种扭矩比例变形效应与轴的旋转位置无关，因为它通过连续的圆周运动而旋转任何一个方向。合适的传感器，例如应变计，测量轴环的扭转量并将其转换成与用户施加的力成比例的电信号。该信号可以用于例如通过施加到旋转轴的力来控制待克服或抵抗的电阻。

2. 发明授权

US4869497A Computer controlled exercise machine 失效
标题翻译：电脑控制运动机
公开(公告)号：US4869497A
公开(公告)日：1989-09-26
申请号：US5035
申请日：1987-01-20
申请人： Gary D. Stewart , Todd M. Johnson , Patricia B. Orman , Joseph W. Lambright , Gary M. Orman , Rodney E. Schwartz
发明人： Gary D. Stewart , Todd M. Johnson , Patricia B. Orman , Joseph W. Lambright , Gary M. Orman , Rodney E. Schwartz
IPC分类号： A63B69/00 , A61H1/02 , A63B21/002 , A63B21/005 , A63B24/00 , A63B71/06
CPC分类号： A63B24/0006 , A63B21/00178 , A63B21/00181 , A63B24/00 , A63B24/0062 , A63B2024/0009 , A63B2024/0068 , A63B21/002 , A63B21/0023 , A63B21/0056 , A63B21/0058 , A63B2220/16 , A63B2220/30 , A63B2220/54 , Y10S482/901 , Y10S482/902
摘要： A computer controlled exercise machine in which the user selects an exercise mode and its profile by programming the computer. Signals are produced by the program to control a resistive force producing device. Sensors produce data signals corresponding to the force applied to the actuating member of the system, velocity of movement and angular position which are continuously sampled at a high rate by a microprocessor operating under control of the program. The sampled data values are used to update and display performance results for the exercise and to compute the values of other parameters and, in some exercise modes, to control the amount of the resistive force.

3. 发明授权

US5442276A Apparatus for providing controlled mechanical braking torque 失效
标题翻译：用于提供受控机械制动转矩的装置
公开(公告)号：US5442276A
公开(公告)日：1995-08-15
申请号：US021275
申请日：1993-02-22
申请人： Rodney E. Schwartz , Steven T. Clauter , Gary M. Orman
发明人： Rodney E. Schwartz , Steven T. Clauter , Gary M. Orman
IPC分类号： H02P3/06 , H02P9/00
CPC分类号： H02P3/06
摘要： Apparatus and method for electrically generating mechanical braking torque employs direct field drive incorporating an AC alternator plus a current regulator. The stator windings of the alternator are directly coupled to the field winding via a full wave rectifier and the current regulator. The invention simplifies electrical circuitry for generating braking torque, provides wide dynamic range of torque generation, limits voltages and currents to easily manageable levels, and reduces mechanical drive train requirements. The invention produces a constant power mechanical load from essentially 0 to over 1,000 watts from an alternator of the size typically used for automotive applications.
摘要翻译：用于产生机械制动转矩的装置和方法采用包括交流发电机加上电流调节器的直接励磁驱动。交流发电机的定子绕组通过全波整流器和电流调节器直接耦合到励磁绕组。本发明简化用于产生制动转矩的电路，提供扭矩产生的宽动态范围，将电压和电流限制到易于管理的水平，并且减少机械传动系的要求。本发明从通常用于汽车应用的交流发电机产生基本上从0到超过1,000瓦的恒定功率机械负载。

4. 发明授权

US5563781A Dual-mode power converter 失效
标题翻译：双模功率转换器
公开(公告)号：US5563781A
公开(公告)日：1996-10-08
申请号：US157877
申请日：1993-11-24
申请人： Steven T. Clauter , Gary M. Orman , Fred Boatwright , Robert Gordon
发明人： Steven T. Clauter , Gary M. Orman , Fred Boatwright , Robert Gordon
IPC分类号： H02M1/00 , H02M1/42 , H02M7/00
CPC分类号： H02M1/4225 , Y02B70/126 , Y02P80/112
摘要： An efficient off-line rectified, high-power, AC-to-DC power supply is provided. High-power factor and minimal circuit size, cost, and complexity are achieved by combining switchmode power converter operation as well as conduction-mode operation. The switchmode power converter is controlled such that only a fraction of the output power is converted by the switchmode power converter. Peak power is efficiently conducted directly from an AC line to a DC output without requiring the operation of the switchmode power converter. Such control method results in high efficiency, yet also maintains a high-power factor with optimally sized, cost-effective switchmode power converter electronics. A complete, self-contained system is provided including a soft-start, full-wave bridge.
摘要翻译：提供了高效的离线整流，大功率AC-DC电源。通过组合开关模式电源转换器操作以及导通模式操作，实现了高功率因数和最小的电路尺寸，成本和复杂性。控制开关模式功率转换器，使得只有一部分输出功率由开关模式功率转换器转换。峰值功率可以直接从交流线直接输出到直流输出，而不需要开关模式功率转换器的工作。这种控制方法导致高效率，而且还保持了具有最佳尺寸，具有成本效益的开关模式功率转换器电子器件的高功率因数。提供了一个完整的，独立的系统，包括软启动全波桥。

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